UserNotificationChangedTrigger Class

Reference

Definition

Namespace:: Windows.ApplicationModel.Background

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Edit

Represents a trigger that fires when a UserNotification is added or removed.

public ref class UserNotificationChangedTrigger sealed : IBackgroundTrigger

/// [Windows.Foundation.Metadata.Activatable(Windows.ApplicationModel.Background.IUserNotificationChangedTriggerFactory, 196608, "Windows.Foundation.UniversalApiContract")]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 196608)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
class UserNotificationChangedTrigger final : IBackgroundTrigger

/// [Windows.Foundation.Metadata.Activatable(Windows.ApplicationModel.Background.IUserNotificationChangedTriggerFactory, 196608, "Windows.Foundation.UniversalApiContract")]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 196608)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class UserNotificationChangedTrigger final : IBackgroundTrigger

[Windows.Foundation.Metadata.Activatable(typeof(Windows.ApplicationModel.Background.IUserNotificationChangedTriggerFactory), 196608, "Windows.Foundation.UniversalApiContract")]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 196608)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
public sealed class UserNotificationChangedTrigger : IBackgroundTrigger

[Windows.Foundation.Metadata.Activatable(typeof(Windows.ApplicationModel.Background.IUserNotificationChangedTriggerFactory), 196608, "Windows.Foundation.UniversalApiContract")]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 196608)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class UserNotificationChangedTrigger : IBackgroundTrigger

function UserNotificationChangedTrigger(notificationKinds)

Public NotInheritable Class UserNotificationChangedTrigger
Implements IBackgroundTrigger

Inheritance: Object Platform::Object IInspectable UserNotificationChangedTrigger

Attributes: ActivatableAttribute ContractVersionAttribute ThreadingAttribute MarshalingBehaviorAttribute

Implements: IBackgroundTrigger

Windows requirements

Device family	Windows 10 Anniversary Edition (introduced in 10.0.14393.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v3.0)

Remarks

The user notification listener requires that explicit user permission be granted before it may be used. Call BackgroundExecutionManager.RequestAccessAsync from the UI thread before attempting to access notifications.

Constructors

UserNotificationChangedTrigger(NotificationKinds)

Initializes a new instance of the UserNotificationChangedTrigger class.

Applies to